Moved fn skipping policy out of QueueRunner

This should allow us to more easily support complex skipping strategies
like skipping nested cleanup fns when the corresponding befores were
skipped, or skipping specs and suites when a beforeAll fails.

* #1533

src/core/CompleteOnFirstErrorSkipPolicy.js

@@ -0,0 +1,19 @@
+getJasmineRequireObj().CompleteOnFirstErrorSkipPolicy = function(j$) {
+  function CompleteOnFirstErrorSkipPolicy(queueableFns, firstCleanupIx) {
+    this.queueableFns_ = queueableFns;
+    this.firstCleanupIx_ = firstCleanupIx;
+  }
+
+  CompleteOnFirstErrorSkipPolicy.prototype.skipTo = function(
+    lastRanFnIx,
+    errored
+  ) {
+    if (errored && lastRanFnIx < this.firstCleanupIx_) {
+      return this.firstCleanupIx_;
+    } else {
+      return lastRanFnIx + 1;
+    }
+  };
+
+  return CompleteOnFirstErrorSkipPolicy;
+};